Question

Preciso pra hj valendo nota pfv

Answer 1

Resposta:

5) 2x - 5x + 6 = 0

-3x = -6

x=2

6) 2x - 8x + 15 = 0

-6x = -15

x= 5/2

7) 4x + x = 1

5x=1

x= 1/5

8) 2x + 6x = -9

8x = -9

x= -9/8

9) 2x + 4x = -4

6x = -4

x=-4/6

x= -2/3

10) 2x - x =2

x=2

Explicação passo-a-passo: